Specifications: Made from high quality metal material, durable and waterproof. USB 3.0 high speed transmission speed is more convenient and saving time. External memory pen to store files, pictures, movies, musics, etc. Compatible with most computers, laptops, HDTV, etc. Item Name: USB 3.0 U Disk Material: Metal Capacity: 8/16/32/64GB (Optional) Data Transmission Rate: 30MB/S Maximum Reading Speed: 30MB/S Maximum Writing Speed: 20MB/S Working Temperature: 0 to 45 Centigrade Working Voltage: 5V Working Current: ≤80MA Interface: USB 3.0 Features: High Speed, Waterproof, Shockproof, Portable, Data Storage Size: 12mm x 4mm x 24mm/0.47" x 1.57" x 0.94" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x USB 3.0 U Disk (Others Not Included)